An iron rod was heated to 200 c and left for cooling after every 3 minutes it cools down by 25 c what will be the tramperatura of the iron rod after half an hour
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Answer:
here divide 200 by 25 we get 8
time taken to cool down to 0°c
= 8×3
=24min
tehn in 30 min it will have temperature
= -50°c
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